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<?php var_dump($undef); // NULL; notice var_dump($undef + 100); // 100 var_dump($undef); // NULL; notice
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $undef in /in/OoAZi on line 3 NULL Warning: Undefined variable $undef in /in/OoAZi on line 4 int(100) Warning: Undefined variable $undef in /in/OoAZi on line 5 NULL

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